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Cheap flights from Toronto to Louisville from C$ 279

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/7. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SDF
22 Jul — 29 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Louisville

Enter your travel dates to find the best prices.

Cheapest flights from Toronto to Louisville
Explore the most affordable flight options available from Toronto to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 June 2026.

Sat 31/106:15 a.m.
YYZ
-
SDF
1 stop10h 16m
Delta
Wed 4/111:59 p.m.
SDF
-
YYZ
1 stop9h 14m
Delta
Deal found 19/6C$ 641
Tue 14/77:17 a.m.
YYZ
-
SDF
1 stop11h 18m
American Airlines
Wed 15/79:42 a.m.
SDF
-
YYZ
1 stop7h 03m
American Airlines
Deal found 21/6C$ 660
Thu 13/86:00 a.m.
YYZ
-
SDF
1 stop4h 32m
Delta
Wed 19/811:45 a.m.
SDF
-
YYZ
1 stop9h 34m
Delta
Deal found 21/6C$ 671
Mon 13/72:31 p.m.
YYZ
-
SDF
1 stop6h 28m
Delta
Tue 21/72:09 p.m.
SDF
-
YYZ
1 stop9h 35m
Delta
Deal found 18/6C$ 675
Sat 4/711:00 a.m.
YYZ
-
SDF
1 stop6h 03m
United Airlines
Tue 7/710:04 a.m.
SDF
-
YYZ
1 stop9h 33m
United Airlines
Deal found 20/6C$ 686
Thu 2/711:00 a.m.
YYZ
-
SDF
1 stop6h 03m
United Airlines
Sun 5/77:55 p.m.
SDF
-
YYZ
1 stop4h 04m
United Airlines
Deal found 18/6C$ 692
Wed 1/76:34 p.m.
YYZ
-
SDF
1 stop5h 58m
Delta
Sun 5/76:00 a.m.
SDF
-
YYZ
1 stop4h 23m
Delta
Deal found 17/6C$ 693
Tue 20/107:45 a.m.
YYZ
-
SDF
2 stops26h 26m
Multiple Airlines
Mon 26/107:08 p.m.
SDF
-
YYZ
1 stop19h 52m
Multiple Airlines
Deal found 20/6C$ 709
Fri 3/74:55 p.m.
YYZ
-
SDF
2 stops23h 59m
Multiple Airlines
Mon 6/78:48 p.m.
SDF
-
YYZ
1 stop17h 17m
Multiple Airlines
Deal found 20/6C$ 736

Find flight deals from Toronto to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 June 2026.

Round-trip from

C$ 641

One-way from

C$ 279
Delta
  • Delta
  • 31/10-4/11
  • 2 total stops
  • 19h 30m total
  • Toronto to Louisville
Search Deals
14/7
  • 14/7
  • 1 total stop
  • 28h 56m total
  • Toronto to Louisville
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 June 2026.
Use the filters below to find and compare flights from Toronto to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 31/10

6:15 a.m.-4:31 p.m.

1 stop10h 16m

Louisville Intl

Wed 4/11

1:59 p.m.-11:13 p.m.

1 stop9h 14m

C$ 643

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 31/10

7:59 a.m.-4:31 p.m.

1 stop8h 32m

Louisville Intl

Tue 3/11

1:59 p.m.-11:13 p.m.

1 stop9h 14m

C$ 643

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 27/8

9:45 a.m.-5:19 p.m.

1 stop7h 34m

Louisville Intl

Sat 29/8

7:00 a.m.-6:12 p.m.

1 stop11h 12m

C$ 675

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 4/7

11:00 a.m.-5:03 p.m.

1 stop6h 03m

Louisville Intl

Tue 7/7

10:04 a.m.-7:37 p.m.

1 stop9h 33m

C$ 686
Quickest round-trip

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Thu 2/7

11:00 a.m.-5:03 p.m.

1 stop6h 03m

Louisville Intl

Sun 5/7

7:55 p.m.-11:59 p.m.

1 stop4h 04m

C$ 692

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Sat 1/8

7:00 a.m.-8:23 p.m.

1 stop13h 23m

Louisville Intl

Sat 8/8

11:10 a.m.-6:28 p.m.

1 stop7h 18m

C$ 693

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 1/7

6:34 p.m.-12:32 a.m.

1 stop5h 58m

Louisville Intl

Sun 5/7

6:00 a.m.-10:23 a.m.

1 stop4h 23m

C$ 693

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Fri 3/7

7:00 a.m.-1:35 p.m.

1 stop6h 35m

Louisville Intl

Mon 6/7

7:55 p.m.-9:54 a.m.

1 stop13h 59m

C$ 771

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Wed 15/7

2:05 p.m.-10:50 p.m.

2 stops8h 45m

Louisville Intl

Sat 18/7

5:50 p.m.-11:59 p.m.

1 stop6h 09m

C$ 771
Cheapest one-way

TorontoLouisville

YYZ - SDF

YYZSDF

Toronto Pearson Intl

Tue 18/8

1:00 p.m.-7:07 p.m.

1 stop6h 07m

C$ 381

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/6

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight from Toronto to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Toronto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Louisville

What is the cheapest month to book a flight from Toronto to Louisville?

Currently, November is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 500). Flying from Toronto to Louisville in January is currently the most expensive (average of C$ 1,023). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What’s the top layover airport for flights from Toronto to Louisville?

Share of one-stop round-trip flights from Toronto to Louisville chosen by Cheapflights users in the past 12 months, using the same layover each way.

Chicago (ORD) – chosen by Cheapflights users on 54% of one-stop itineraries from Toronto to Louisville on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to Louisville?

Average round-trip fare for 1-stop flights from Toronto to Louisville, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Chicago (ORD) is the most affordable 1-stop option, with an average round-trip price of C$ 634.

What’s the fastest layover option from Toronto to Louisville?

Shortest average travel time for 1-stop one-way flights from Toronto to Louisville, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Detroit (DTW) have the shortest average one-way travel time for 1-stop routes: 3h 27m.

Which airport typically offers the quickest layover for flights from Toronto to Louisville?

Average layover duration for 1-stop one-way flights from Toronto to Louisville, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Detroit (DTW) offer the fastest connection on this route, with an average layover time of 0h 49m.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Louisville from Toronto?

    Louisville Intl (SDF) is the airport you will fly into if you book a flight from Toronto to Louisville. You should not have trouble finding flights to Louisville Intl from Toronto; the airport handles an average of 0 inbound flights from Toronto per day. You should also have plenty of airline options to choose from since 3 airlines have flights to the Louisville airport from Toronto. It is only a 8.5 km journey from Louisville Intl (SDF) to Louisville’s city centre.

  • How long is the flight from Toronto to Louisville?

    Departing from Toronto to Louisville will take you 10h 16m. Toronto and Louisville are separated by a distance of 798 km.

  • What are the cheapest airlines flying from Toronto to Louisville round-trip?

    Flying on American Airlines is currently your cheapest option to Louisville, with prices starting at C$ 552. Additional round-trip tickets that might be worth considering are offered by United Airlines and WestJet, with the lowest prices starting at C$ 633 and C$ 693, respectively.

  • Can I find deals for flights from Toronto to Louisville that include hotel bookings?

    Yes. In addition to deals on Toronto to Louisville flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Louisville?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Louisville.

  • Can I find deals for business class flights from Toronto to Louisville?

    Yes. Cheapflights offers flight deals from Toronto to Louisville by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to Louisville?

    Currently, November is the cheapest month in which you can book a flight from Toronto to Louisville (average of C$ 500). Flying from Toronto to Louisville in January is currently the most expensive (average of C$ 1,023). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Toronto to Louisville

Discover the top 3 airlines that operate flights from Toronto to Louisville. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 22 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 552AverageC$ 841FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 633AverageC$ 729FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 693AverageC$ 906FlexibilityNo cancel feeOn-time60%
Search WestJet flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Louisville?

Deals for Toronto to Louisville flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Louisville?

Cheapflights helps you find that perfect flight to Louisville from Toronto by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Toronto to Louisville with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto to Louisville, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto to Louisville become cheaper?

Not ready to book yet? You can track prices for flights from Toronto to Louisville on Cheapflights with our Price Alert feature and get notified when better prices are available.

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